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무안경 완전시차 입체 재현을 위한 서브픽셀 다중화
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- Issue Date
- 2017-12
- Citation
- 멀티미디어학회논문지, v.20, no.12, pp.101-107
- ISSN
- 1229-7771
- Publisher
- 한국멀티미디어학회
- Language
- Korean
- Type
- Journal Article
- Abstract
- A two-dimensional lens is required to reproduce both the horizontal and vertical parallax through an autostereoscopic 3D display. Among the two-dimensional lenses, a hexagonal micro lens array (MLA) having good optical efficiency is mainly used. However, the hexagonal MLA has complex geometric features. The first feature is that the lens cells are zigzagged in the vertical direction, which should be reflected in the view number calculation for each sub-pixel. The second feature is that the four sides of a hexagonal lens cell are tilted, requiring a more careful view index assignment to the lens cell. In this paper, we propose a sub-pixel multiplexing scheme suitable for the features of the hexagonal MLA. We also propose a view-overlay algorithm based on a two-dimensional lens and compare subjective image quality with existing view-selection through autostereoscopic 3D display implementation.
- KSP Keywords
- Autostereoscopic 3D display, Microlens array, Sub-pixel, Vertical parallax, complex geometric features, optical efficiency, subjective image quality, two-dimensional(2D)